5:39 GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3) (2026/27 exams)
Crisp UK walkthrough of both sector-area and arc-length formulas with clear worked examples.
Arcs and sectors
Calculate the arc length, angle and area of a sector
6 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
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12:25 Sectors - GCSE Maths
Thorough UK lesson covering area, arc length, perimeter, in-terms-of-pi and finding a missing angle.
20:20 Circle Sectors - Areas and Arc Lengths | Grade 6+ Series | GCSE Maths Tutor
In-depth Higher run-through of sector area and arc length with plenty of strategy and examples.
13:30 Finding the Length of an Arc
Maths Genie works through arc-length questions step by step for the GCSE.
4:16 Key Skill - Find the angle of a sector given its arc length and radius.
Dr Frost shows how to work backwards to find a sector's angle from its arc length and radius.
8:21 Area of a Sector - Corbettmaths
Corbettmaths breaks down the sector-area formula clearly with several worked examples.